data
Microsoft wins the inbox battle (for now)
If you have stopped by Spam Resource or Wombatmail recently, you might have noticed a few changes around here. It’s been updates on updates ...
Topic
mx records
Deliverability Terms
DELIVTERMS: MX Record
Today on DELIVTERMS , the series here on Spam Resource where we help you decode deliverability and email terminology, we're looking at o...
data
Fun with data: Yahoo Mail, by the numbers
By one reckoning, Yahoo Mail apparently has 225 million active users . That's nothing to sneeze at. And they've been there since nea...
data
Fun with data: Mimecast, by the numbers
Just a quick little peek at data today. This time around, it's month-by-month counts of MX records, in the top ten million domains, that...
data
Fun with Data: Ranking mailbox providers in .edu
Time for fun with a smaller data set! In my most recent snapshot of the top ten million domains list, just over 4200 of them are domains end...
data
Who hosts mail for more domains: Microsoft or Google?
Time to slice and dice my favorite dataset: the top ten million domains list. This thing provides me with endless fun and joy. Tracking som...
apple
Fun with data: Apple Domains
For a fun little multi mini-snapshot of MX domain data, let's take a look at Apple. What do they host, mail-wise, for who and for what d...
changes
MX records changing for Microsoft-hosted domains ... eventually
If you're one of those weirdos (like me) who tracks what email providers hosts mail for what domains, you'll want to take note of th...
dns
Microsoft errors: 5.4.4 (unable to route: no mail hosts for domain)
When sending to Microsoft OLC (Outlook Consumer - i.e. hotmail.com, outlook.com, msn.com, live.com, etc.) domains, are you seeing this bounc...
b2b blocking
B2B spam filters and domain blocking: Who blocked my mail?
Let's compare B2C versus B2B deliverability issues, shall we? In the B2C (business-to-consumer) or DTC (direct-to-consumer) email market...
aol
AOL Announces Mail System MX Changes
As expected, AOL announced yesterday that the MX records for their domains are being updated: As AOL and Yahoo come together under the OA...
changes
Hotmail UK MX Change
The MX servers for Hotmail UK changed in DNS overnight. For those who are caching DNS or have hard coded DNS entries, you're going to ru...